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The Cometic fiber intake manifold gasket set for Chevrolet Mark‑IV / GM Gen‑V/VI big block V8 (.125 in) with 2.460" x 1.860" rectangular ports provides a thicker sealing option for heavy-duty applications. Its AFM material—nitrile bonded to an aluminum core—resists fluids, tolerates temperatures above 250°F and retains torque with roughly 85% recovery, avoiding the need for sealers or re-torquing. Built to meet or exceed OEM standards.
Cometic GM Gen-V/VI BB V8 .125in Fiber Intake Mani Gasket Set-2.460in x 1.860in Rect. Ports
